photo sharing and upload picture albums photo forums search pictures popular photos photography help login
Dave Thomas | all galleries >> South Central Pennsylvania >> NAWCC Clock Museum > Greek Calendrical Computer
previous | next
29-DEC-2010

Greek Calendrical Computer

A device found in a shipwreck in recent years, believed to date to
about 80 BCE. There is some impressively intricate mechanics that appear
to relate sun and moon positions in this suggesting engineering minds at work.

Canon EOS 40D ,Tamron SP AF 17-50mm f/2.8 XR Di-II LD Asp IF
(E5527) 1/30s f/2.8 at 34.0mm iso800 hide exif
Full EXIF Info
Date/Time29-Dec-2010 14:43:44
MakeCanon
ModelCanon EOS 40D
Flash UsedNo
Focal Length34 mm
Exposure Time1/30 sec
Aperturef/2.8
ISO Equivalent800
Exposure Bias0.33
White Balance
Metering Mode (-1)
JPEG Quality
Exposure Programshutter priority (2)
Focus Distance

other sizes: small medium original auto